# Chime Clock vs Yondazo

The clearest difference is price: Yondazo at Free against Chime Clock's $2.99. Yondazo also leads on rating (5.0 vs 2.6) and update cadence (every 6 months vs every 34 months). Chime Clock's advantage is ratings volume (10 vs 1) and iOS requirement (13.0 vs 18.0). On ads, in-app purchases and device support there is nothing between them.

Yondazo is free to download; Chime Clock costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Yondazo holds the better App Store score, 5.0 against 2.6. That said, the two scores are not equally well evidenced: Chime Clock has 10 ratings behind it against 1, so its average is the more settled of the two.

Chime Clock ships an update every 34 months, Yondazo every 6 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Chime Clock | Yondazo |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [2.6 (10 ratings)](https://appshunter.io/ios/app/chime-clock/id1434254379/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/yondazo-reading-tracker/id1547099179/reviews)** |
| Number of ratings | **10** | 1 |
| Positive reviews | 7.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 34 months | **Every 6 months** |
| Monetization | Paid | **Ad-supported** |
| Size | 6 MB | 7 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Nitrio](https://appshunter.io/developer/321121189) | [arakawa yuichiro](https://appshunter.io/developer/421879127) |

## What reviewers say

### Chime Clock

[App page](https://appshunter.io/ios/app/chime-clock/id1434254379)

This app provides audible time notifications with customizable sounds and schedules. It offers a clock display with options to show or hide date and seconds, and can dim the screen. It works offline and is ad-free.

**Highlights:** Customizable chime schedules, Variety of preset and custom sounds, Offline chime functionality, Adjustable clock display, Screen dimming for battery saving, Ad-free experience

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Yondazo

[App page](https://appshunter.io/ios/app/yondazo-reading-tracker/id1547099179)

Track your reading progress with detailed charts and insights. Log books, add notes, and visualize your reading journey over time. Offers on-device AI analysis for private habit discovery.

**Highlights:** Monthly, yearly, and all-time reading charts, On-device AI reading habit analysis, Book notes, ratings, and genre tagging, Visual bookshelf with cover grid or list view, Barcode scanning for quick book entry, Data backup and transfer

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Chime Clock free?

Chime Clock costs $2.99, with no in-app purchases.

### Is Yondazo free?

Yondazo is free to download, with no in-app purchases.

### Which has better reviews, Chime Clock or Yondazo?

Yondazo is rated higher. Chime Clock averages 2.6 out of 5 from 10 ratings, while Yondazo averages 5.0 from 1 ratings.

### Do Chime Clock or Yondazo have ads?

Neither Chime Clock nor Yondazo shows ads.

### Which is updated more often, Chime Clock or Yondazo?

Chime Clock ships an update every 34 months, and Yondazo every 6 months. Most recently, Chime Clock was updated on November 2, 2026 and Yondazo on November 3, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*